Finding the Fourth Proportional to 10,201,415.80, 15,266,694.30 and 7,012,769.80
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Solution
The fourth proportional to 10,201,415.80, 15,266,694.30 and 7,012,769.80 is: 10,494,799.43
Step by Step Solution
- Step 1: Write the proportion equation
10,201,415.80 : 15,266,694.30 = 7,012,769.80 : x - Step 2: Convert to fraction form
10,201,415.80/15,266,694.30 = 7,012,769.80/x - Step 3: Cross multiply
10,201,415.80x = 15,266,694.30 × 7,012,769.80 - Step 4: Simplify right side
10,201,415.80x = 107,061,812,732,872.14 - Step 5: Solve for x
x = 107,061,812,732,872.14/10,201,415.80 - Step 6: Final answer
x = 10,494,799.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.